Origin of temperature dependence in tunneling magnetoresistance J. J. Åkerman, I. V. Roshchin, J. M. Slaughter, R. W. Dave and I. K. Schuller Europhys. Lett., 63 1 (2003) 104-110 Published online: 01 June 2003 DOI: 10.1209/epl/i2003-00484-4